Method findByTag

src/main/java/field/app/ThreadSync.java:447–450

(Object tag)

    }

    public Stream<Fiber> findByTag(Object tag) {
        return live.stream()
                .filter(x -> Util.safeEq(x, tag));
    }

    public static void inMainThread(Runnable o) throws InterruptedException, ExecutionException {
        if (!enabled || fiber.get() == null)